Specification: 1)Dimensions: 1200x000x900(mm) 2)Power usage/Power: 110V, or 220V, or 240V and so on/1800W 3)Operating temperature:15---70C 4)Materials: hemlock, Russia spruce 5)Designed for 3 persons 6)5 wide-frequency heaters system Features: 1)KERAMOS heating system 2)Toughened glass windows on doors 3)Single digital control system 4)Ergonomic comfortable backrest and bench 5)Reading lamp 6)Ventilation system Outer Packing: 2 cartons for 1 PCS CTN1: 1900x260x30mm (weight: 85kg)CTN2: 1260x060x80mm (weight: 36kg)